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tools: Fix mkimage-raw-bios

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Build the final image from scratch instead of the full
alpine base image.

Signed-off-by: Rolf Neugebauer <rn@rneugeba.io>
This commit is contained in:
Rolf Neugebauer 2018-07-24 21:40:27 +01:00
parent 99e65ef998
commit 24d8ecc943
1 changed files with 14 additions and 11 deletions
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15
tools/mkimage-raw-bios/Dockerfile
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@ -1,14 +1,17 @@
FROM linuxkit/alpine:daed76b8f1d28cdeeee215a95b9671c682a405dc
RUN \
apk update && apk upgrade && \
apk add --no-cache \
FROM linuxkit/alpine:daed76b8f1d28cdeeee215a95b9671c682a405dc AS mirror
RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
RUN apk add --no-cache --initdb -p /out \
alpine-baselayout \
busybox \
dosfstools \
libarchive-tools \
sfdisk \
syslinux \
&& true
RUN mv /out/etc/apk/repositories.upstream /out/etc/apk/repositories
FROM scratch
WORKDIR /
COPY --from=mirror /out/ /
COPY . .
ENTRYPOINT [ "/make-bios" ]